Qualitative Analysis (Part 2)

Match it! Select the correct answer from the pull down...Good luck!

What is the metal to be added when testing for nitrates?

White precipitate formed when several drops of AgNO3 solution is added to salt Y. What is Y?

What is a green-yellow, pungent gas which turns damp blue litmus paper red, then bleached?

What is the gas which turns acidified potassium dichromate (VI) from orange to green?

What is the reason why zinc hydroxide, aluminium hydroxide and lead(II) hydroxide can dissolve in excess sodium hydroxide solution?

What is the process when iron(II) hydroxide becomes iron(III) hydroxide called?

Ammonia solution is added in excess to solution X. White ppt dissolves in the excess ammonia solution. What is X?

Excess ammonia solution is added to an aqueous solution which contains calcium ions and copper(II) ions. What should be observed?